#A9CEDF
Closest named color: Light Blue Grey (#B7C9E2). oklch(83% 0.046 227.5), rgb(169, 206, 223).
Aa
Black text reads best on this color (12.58:1).
About this color
#A9CEDF is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.046 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.022 away. Black text reads best on it, at 12.58:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.58:1 |
| White text | 1.66:1 |
Values
| HEX | #A9CEDF |
| RGB | rgb(169, 206, 223) |
| HSL | hsl(199, 46%, 77%) |
| OKLCH | oklch(83% 0.046 227.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A9CEDF | 1.66:1 | Fails | Lc -33.1 | Non-text elements, placeholder text |
| Black text on #A9CEDF | 12.58:1 | AAA | Lc 74.4 | Content text, not long reading |
| #A9CEDF text on white | 1.66:1 | Fails | Lc 29.4 | Dividers and decoration only |
| #A9CEDF text on black | 12.58:1 | AAA | Lc -73.5 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300 (this color)
#A9CEDF
oklch(83% 0.046 227.5)
-
Step 400
400
#6EAAC5
oklch(70.7% 0.074 228.2)
-
Step 500
500
#4295B6
oklch(63.2% 0.094 227.3)
-
Step 600
600
#177EA2
oklch(55.5% 0.102 228.1)
-
Step 700
700
#016B8A
oklch(49.2% 0.094 226.6)
-
Step 800
800
#0C5770
oklch(42.7% 0.078 227)
-
Step 900
900
#16485B
oklch(37.8% 0.061 227.3)
-
Step 950
950
#0F2A35
oklch(27% 0.038 227.5)
#A9CEDF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #C5CCE0 | 0.035 |
| Deuteranopia (no green cones) | #BDC5DF | 0.033 |
| Tritanopia (no blue cones) | #99D3D3 | 0.031 |
| Achromatopsia (no color) | #C8C8C8 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9CEDF
#A9CEDF
oklch(83% 0.046 227.5)
- #E2BFAE
#E2BFAE
oklch(83% 0.047 47.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A9CEDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.022
- Light Steel Blue #B0C4DE ΔE 0.027
- Light Blue #ADD8E6 ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.031
- Celeste #A8DADC ΔE 0.034
- Sky Blue #87CEEB ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Baby Blue #A2CFFE ΔE 0.044
Use #A9CEDF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.